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Type: Posts; User: plasticpeter

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  1. Replies
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    I don't understand why you now say: "As for...

    I don't understand why you now say:

    "As for why trying to replicate, because we want to offer additional features beyond the OEM part. The lens design is applicable because the light I posted is...
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    Notwithstanding what I have just said about...

    Notwithstanding what I have just said about reverse engineering the product, I agree with what others have said. You may have the machining capability to produce the mould and you may be able to...
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    The surface of a lens for automotive lighting is...

    The surface of a lens for automotive lighting is an extremely complex, mathematically-derived shape. They are designed to spread the light exactly where it is needed and away from where it isn't -...
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    Firstly, could you be more specific? Your...

    Firstly, could you be more specific? Your question could be answered in so many ways.

    For example, do you mean:

    "How/where would I get a mould made?"
    "Could I manufacture the mould myself?"...
  5. Neoprene grips would probably mean that you could...

    Neoprene grips would probably mean that you could get away with a cheaper resin for the main body (ABS?) as the rubber would absorb any blows. It looks a weighty piece of steel to be throwing around...
  6. Two-stage with thermoplastic rubber?

    Another alternative (but expensive) is to have the grips two-part moulded in glass-reinforced nylon with some of the outer surface overmoulded in a more grippy thermoplastic elastomer material.
    ...
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    I agree with airpro_1 that you are looking at a...

    I agree with airpro_1 that you are looking at a $5k to produce a decent standard tool & turn a profit. I would say at least that!

    I also concur on the cavity balancing point. I'm not too familiar...
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    If you are thinking of going through several...

    If you are thinking of going through several iterations before deciding on a production-finalised part, get in touch with a rapid prototyping bureau - search in Google or go to the TCT website:...
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    Many thanks Wiseco. And the second link you...

    Many thanks Wiseco.

    And the second link you gave me provides lots of additional help - I recommend it to anybody who has an interest in the subject.

    Inicidentally, I've recently looked at the...
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    Hi Wiseco - you are correct, it is about...

    Hi Wiseco - you are correct, it is about approximating the clamp tonnage. I'm just trying to build a spreadsheet for doing quotes where you input the following information about a proposed mould...
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    I've continued the debate about MELT PRESSURE in...

    I've continued the debate about MELT PRESSURE in the following thread:

    http://www.cnczone.com/forums/showthread.php?t=55300

    Thanks
  12. Replies
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    Melt Pressure

    Continuing on from the "Clamp Force Calculation" thread http://www.cnczone.com/forums/showthread.php?t=24719, I am interested in typical values for melt pressure (injection pressure) for common...
  13. Thread: vero visi

    by plasticpeter
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    It is easy to use as a 3D modeller for simple...

    It is easy to use as a 3D modeller for simple one-off parts but because it doesn't have a parametric database (i.e. a history of how the model was constructed), you are better off using Solid Edge or...
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    Hi I am new to the forum. It is certainly true...

    Hi I am new to the forum. It is certainly true that the calculation requires only the PROJECTED AREA i.e the area bounded by the silhouette of the cavity if you were to look down the injection...
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